Corpse collector in Conan

Interview with the protagonist:
Q1: What is your secret to becoming the "Ace Killer" of the black organization?
Jiang Xia: "Take Conan and visit the target's house."
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"Fake Moriarty's Distillery Career", "How to Correctly Get the Aura of Death"
…
Jiang Xia took a puff of the fake cigarette and blew out the smoke ring sadly:
"I just wanted to take advantage of some cases and pick up corpses, but I didn't expect that I would become a 'criminal planner' in the eyes of the villain."
"What? Why doesn't the protagonist catch me?"
"...Maybe it's because in their eyes, I am the contemporary high school student version of Sherlock Holmes."
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Interviews with detectives from Ke Xue World:
Q1: What do you think of Jiangxia?
Detectives: "There are no shortcomings except solving the case too quickly."
.
Q2: We are both detectives, why not join forces with Jiang Xia to fight against the black organization?
The detectives (waving their hands hastily): "No, no, no, we can't tell him. The dark side of these worlds is too heavy for him."
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[Qidian app, Detective Conan fan], there are some cases of Kindaichi